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Cargo trailers with side doors are designed to facilitate loading, unloading and transport of cargo, allowing quick access to specific items without unloading all cargo from the rear. Their design optimizes efficiency for cargo that requires fast, multi-point loading and unloading.
- Size: Customized.
- Axle Number: 2.
- Side Door Type: Double-sided swing doors, hinged, opening outwards, flush handles.
- Box Panels: FRP Sandwich Panels.
- Floor: Anti-slip Honeycomb Panels.
- Braking System: Mechanical braking system, including the handbrake and safety chain.
- Chassis Frame: High-strength Galvanized Steel.
- Suspension System: Leaf Spring Suspension.
- Tire: 185/65R14.
Please consult us for custom enclosed trailer kits.
描述

TOPOLOGROUP is a professional manufacturer of enclosed cargo trailers, which can be used to transport various types of refrigerated products, dry goods or for various commercial activities. We provide design and manufacturing services to ensure that each box trailer meets the specific needs of customers, including body size, load capacity, door configuration, wheel system, interior layout, etc. Our closed box trailers have advanced structural design and use high-quality materials to ensure stable performance during long-term transportation. The insulation, impact resistance and water resistance of the trailers are strictly tested to adapt to various complex climates and transportation environments.
Personalized Design
The model can be designed according to the actual needs of customers, and can also be adjusted according to the design plan provided by customers to meet the personalized requirements of different customers for trailer appearance, structure, etc.




High-performance Composite Materials
The new fiberglass sandwich panel replaces wood and metal panels, which reduces the overall weight while ensuring the structural strength of the trailer, reduces the burden on the tractor, improves fuel efficiency, and makes transportation more economical and efficient.

Customized Kits
We offer a range of components for enclosed trailers, including chassis frames, wheels, axles, jacks, floors, E-tracks, door panels, door frames, edging profiles, skirting boards, bumpers, hinges, door locks, door handles, weather strips, refrigeration units, lighting systems, ventilation systems, etc. These components can all be customized according to the trailer application requirements.

CKD/SKD/CBU
Our box trailers are transported to destination countries and regions in the form of CKD, SKD, and CBU.
- CKD (Completely Knocked Down): The trailer is delivered in a knocked down state with all parts packed separately for local assembly.
- SKD (Semi Knocked Down): The trailer is delivered in a partially assembled form and needs to be partially assembled at the destination.
- CBU (Completely Built Up): The trailer is fully assembled and shipped directly from the manufacturer to the market without any additional assembly at the destination.


Globalization Strategy
- We are committed to serving truck and trailer manufacturers, dealers, lessors, and logistics, food production and transportation companies with huge transportation needs in the global market.
- We have an international service team proficient in English, French, Russian, Spanish, German, Japanese, Korean, Arabic and other languages to provide pre-sales, production and after-sales services.
- We accept a variety of transaction methods, such as letter of credit (L/C), telegraphic transfer (TT), cash, etc.
- Products are shipped to all parts of the world by sea, air and rail transportation.
